2017-Present,
Assistant professor, Department of Family Medicine, Konkuk University Medical Center
2017,
Assistant professor, Department of Family Medicine, Yonsei University Gangnam Severance Hospital
2014-2017,
Full-time clinical instructor, Sungkyunkwan University Samsung Medical Center
2012-2013,
Clinical research assistant professor, Yonsei University Gangnam Severance Hospital
2011-2012,
Instructor, Yonsei University Gangnam Severance Hospital
2007-2010,
Resident, Department of Family Medicine, Yonsei University Gangnam Severance Hospital
2005-2006,
Intern, Yonsei University Severance Hospital